memory leak in gfs2_quota_init

Status: auto-obsoleted due to no activity on 2024/01/23 09:51
Subsystems: gfs2
[Documentation on labels]
Reported-by: syzbot+4ee56df41d0cc0f0783a@syzkaller.appspotmail.com
First crash: 1122d, last: 1057d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [gfs2?] memory leak in gfs2_quota_init 0 (1) 2023/07/06 02:18
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream memory leak in gfs2_quota_init (2) gfs2 3 C 1 177d 173d 0/29 auto-obsoleted due to no activity on 2026/05/11 16:57
▶ ▼ Last patch testing requests (4)
Created Duration User Patch Repo Result
2024/01/23 09:27 23m retest repro upstream OK log
2023/11/14 05:04 10m retest repro upstream report log
2023/09/04 21:46 23m retest repro upstream report log
2023/08/04 07:55 35m jeantsuru.cumc.mandola@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git f8566aa4f176 OK log

Sample crash report:
BUG: memory leak
unreferenced object 0xffff88810aa24000 (size 8192):
  comm "syz-executor334", pid 5004, jiffies 4294954804 (age 12.830s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff8154c55a>] __do_kmalloc_node mm/slab_common.c:984 [inline]
    [<ffffffff8154c55a>] __kmalloc+0x4a/0x120 mm/slab_common.c:998
    [<ffffffff821964d9>] kmalloc include/linux/slab.h:583 [inline]
    [<ffffffff821964d9>] kzalloc include/linux/slab.h:700 [inline]
    [<ffffffff821964d9>] gfs2_quota_init+0xd9/0x770 fs/gfs2/quota.c:1373
    [<ffffffff821a1aef>] gfs2_make_fs_rw+0x11f/0x200 fs/gfs2/super.c:155
    [<ffffffff8218a1cf>] gfs2_reconfigure+0x3cf/0x530 fs/gfs2/ops_fstype.c:1602
    [<ffffffff81665d5c>] reconfigure_super+0x14c/0x3e0 fs/super.c:961
    [<ffffffff816cd5cb>] vfs_fsconfig_locked fs/fsopen.c:254 [inline]
    [<ffffffff816cd5cb>] __do_sys_fsconfig+0x80b/0x8d0 fs/fsopen.c:439
    [<ffffffff84a6bff9>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84a6bff9>] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88810f360000 (size 8192):
  comm "syz-executor334", pid 5007, jiffies 4294955349 (age 7.380s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff8154c55a>] __do_kmalloc_node mm/slab_common.c:984 [inline]
    [<ffffffff8154c55a>] __kmalloc+0x4a/0x120 mm/slab_common.c:998
    [<ffffffff821964d9>] kmalloc include/linux/slab.h:583 [inline]
    [<ffffffff821964d9>] kzalloc include/linux/slab.h:700 [inline]
    [<ffffffff821964d9>] gfs2_quota_init+0xd9/0x770 fs/gfs2/quota.c:1373
    [<ffffffff821a1aef>] gfs2_make_fs_rw+0x11f/0x200 fs/gfs2/super.c:155
    [<ffffffff8218a1cf>] gfs2_reconfigure+0x3cf/0x530 fs/gfs2/ops_fstype.c:1602
    [<ffffffff81665d5c>] reconfigure_super+0x14c/0x3e0 fs/super.c:961
    [<ffffffff816cd5cb>] vfs_fsconfig_locked fs/fsopen.c:254 [inline]
    [<ffffffff816cd5cb>] __do_sys_fsconfig+0x80b/0x8d0 fs/fsopen.c:439
    [<ffffffff84a6bff9>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84a6bff9>] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/07/02 02:14 upstream f8566aa4f176 bfc47836 .config console log report syz C [mounted in repro] ci-upstream-gce-leak memory leak in gfs2_quota_init
* Struck through repros no longer work on HEAD.